Denki Tsūshin Kenkyūjo jūgonenshi
By: [henshū Denki Tsūshin Kenkyūjo Jūgonenshi Kikaku Henshū Iinkai]
Publisher: Nihon Denshin Denwa Kōsha Denki Tsūshin Kenkyūjo
Published: 1965
Place of publication: Tōkyō
Language: jpn
Number of pages: 572
Subjects: History; Telecommunication; Research; Denki Tsūshin Kenkyūjo (Japan)
Notes: Errata slip inserted.